1.controversy ['kɔntrəvə:si]

n. 爭論,爭議

例句與用法:
A disagreement or controversy.
意見分歧不一致或有爭議
The remark touched off a heated controversy.
這句話引起了熱烈的爭論。

2.cast [kɑ:st]

n. 演員陣容,投擲
v. 投,擲,拋

例句與用法:
She's cast off three boy-friends in a month.
她一個月里就甩了三個男朋友。
I can't bear young people casting away their youth.
我無法忍受年輕人虛擲青春。

3.bygone ['bai.gɔ:n]

n. 過去的事
adj. 過去的

例句與用法:
His talk was evocative of the bygone days.
他的談話令人回憶起往昔的時日。
The two boys agreed to let bygone be bygone and make friend again.
兩個孩子決定捐棄前嫌，重新做朋友。

4.era ['iərə]

n. 紀元,時代,年代

例句與用法:
My professor studies flora of the Palaeozoic Era.
我的教授研究古生代的植物群。
His death marked the end of an era.
他的死標志著一個時代的結束.

5.fathom ['fæðəm]

n.&v. 測量深度,看穿,徹底了解

例句與用法:
He dipped the stick into the water to fathom its depth.
他把棍條浸入水中, 試探水的深度。
I cannot fathom his meaning.
我不能徹底了解他的意思。
The ship sank in four fathoms.
這條船沉下四英尋。

6.juggernaut ['dʒʌgənɔ:t]

n. 摧毀一切的強大力量

例句與用法:
The Juggernaut of war.
迷信戰事而使人犧牲一切

7.extensive [iks'tensiv]

adj. 廣泛的,廣闊的

例句與用法:
The castle will undergo extensive and costly renovations.
那城堡要用鉅資進行全面整修.
The teacher had both extensive knowledge and profound scholarship.
先生的學問博大精深。
There is now extensive literature dealing with the First World War.
現有大量關于第一次世界大戰的文獻。
He has an extensive vocabulary.
他詞匯很豐富。